Input a CLLI:

Tip: A Partial CLLI can be entered, but must contain a minimum of the first 6 characters. I.E. 'DLLSTX'

If you were a paid member, you could be loading this into any version of Excel or Access (or any other software that understands CSV) right now for less than you paid for your breakfast or lunch today. If you are a member please login to access this and other functionality.

🔎 Tip: Click any Company, OCN, Rate Center, or CLLI to explore related telecom data

npa-nxxStateCompanyFRNRMDOCNRate CenterCLLIAssign DateMisc
205-262ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS001/28/2002Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-262 is split into 1,000-number blocks - detail below
205-262-1XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-262-2XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-262-3XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-262-4XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-262-5XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-262-6XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-262-7XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-262-8XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-262-9XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-298ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS000/00/0000Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-967ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS000/00/0000Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-968ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS000/00/0000Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-968 is split into 1,000-number blocks - detail below
205-968-0XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-968-2XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-968-3XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-968-4XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-968-5XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-968-6XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-968-7XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-968-8XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-968-9XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-969ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS000/00/0000Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-970ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS000/00/0000Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-971ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS002/23/2015Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-971 is split into 1,000-number blocks - detail below
205-971-0XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS002/24/2015Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-971-1XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS002/24/2015Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-971-2XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS002/24/2015Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-971-3XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS002/24/2015Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-971-4XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS002/24/2015Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-971-5XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS002/24/2015Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-971-6XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS002/24/2015Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-971-7XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS002/24/2015Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-971-8XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS002/24/2015Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-971-9XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS002/24/2015Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-972ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS000/00/0000Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-977ALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS000/00/0000Prefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-977 is split into 1,000-number blocks - detail below
205-977-2XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-977-3XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-977-4XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-977-5XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-977-6XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-977-7XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
205-977-9XXXALBELLSOUTH TELECOMM INC DBA SOUTH CENTRAL BELL TEL (Bellsouth)N/A9419BIRMINGHAMBRHMALCHDS0N/APrefix Type: RBOC
Switch Name: BIRMINGHAM
Switch Type: WECO 5ESS (Digital)
LATA: Birmingham AL (476)
Tandem: N/A
🔧 Explore Switch(CLLI: BRHMALCHDS0))
🕘 Prefix History
🔎 Explore Carrier Information
This information is not guaranteed to be accurate. User assumes all risk for any loss or gain resulting from use of this data.
Although I strive for accuracy and prompt updates of changed information, it is possible that there may be errors. If you see one, could you please report it?
Please report all errors, flames, questions, suggestions, and thanks to Paul Timmins
L'exactitude de ces renseignements n'est pas garantie. L'utilisateur assume l'entière responsabilité des pertes ou des gains découlant de l'utilisation de ces données.
Bien que je m'efforce d'assurer l'exactitude des informations et de les mettre à jour rapidement, des erreurs peuvent subsister. Si vous en voyez une, veuillez me la signaler.
Veuillez adresser vos commentaires, remarques, questions, suggestions et remerciements à Paul Timmins
Please see the Frequently Asked Questions page if you have any questions.
Copyright ©2001-2026, Paul Timmins/Timmins Technologies, LLC. All rights reserved
Website Design and User Interface ©2010, Adam Botbyl/Revolutionary Solutions, LLC.
Colocation generously provided by Clear Rate Communications, Inc
Has this site changed your life? Made your job easier? I always love Fanmail and Suggestions.